Rear Axle Housing Replacement (8.6, 9.5, 9.75 Inch Axles)

Rear Axle Housing Replacement (8.6, 9.5, 9.75 Inch Axles)

Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
2. Drain the rear axle lubricant. Refer to Reed Tachometer Description (Reed Tachometer Description).
3. Remove the rear axle assembly. Refer to Rear Axle Replacement (Rear Axle Replacement).
4. Remove the rear axle housing cover and gasket. Refer to Rear Axle Housing Cover and Gasket Replacement (8.6, 9.5 Inch Axle) (Rear Axle Housing Cover and Gasket Replacement (8.6, 9.5 Inch Axle))Rear Axle Housing Cover and Gasket Replacement (9.75, 10.5 and 10.75 Inch Axles) (Rear Drive Axle).
5. Remove the rear wheel speed sensor. Refer to Rear Wheel Speed Sensor Replacement (10.5 Axle) (Service and Repair).
6. Remove the rear axle shafts. Refer to Rear Axle Shaft Replacement (8.6, 9.5 Inch Axles W/O RPO JL4) (Service and Repair)Rear Axle Shaft Replacement (8.6 Inch Axle W/RPO JL4) (Service and Repair)Rear Axle Shaft Replacement (9.5, 9.75Inch Axles ) (Service and Repair).
7. Remove the rear brake shields. Refer to Rear Brake Shield Replacement (Rear Brake Shield Replacement).
8. Remove the differential assembly. Refer to Differential Replacement (8.6 Inch Axle) (Differential Replacement (8.6 Inch Axle))Differential Replacement (9.75, 10.5 and 10.75 Inch Axles) (Differential Replacement (9.75, 10.5 and 10.75 Inch Axles)).
9. Remove the drive pinion shaft yoke and the oil seal. Refer to Drive Pinion Flange/Yoke and/or Oil Seal Replacement (8.6, 9.5 Inch Axles) (Drive Pinion Flange/Yoke and/or Oil Seal Replacement (8.6, 9.5 Inch Axles))Drive Pinion Flange/Yoke and/or Oil Seal Replacement (9.75, 10.5 and 10.75 Inch Axles) (Rear Drive Axle).
10. Remove the drive pinion bearings. Refer to Drive Pinion and Ring Gear Replacement (8.6 Inch Axle) (Service and Repair)Drive Pinion and Ring Gear Replacement (9.75, 10.5 and 10.75 Inch Axles) (Drive Pinion and Ring Gear Replacement (9.75, 10.5 and 10.75 Inch Axles)).

Installation Procedure

1. Install the drive pinion bearings. Refer to Drive Pinion Bearings Replacement (9.75, 10.5 and 10.75 Inch Axles) (Drive Pinion Bearings Replacement (9.75, 10.5 and 10.75 Inch Axles))Drive Pinion Bearings Replacement (8.6, 9.5 Inch Axle) (Service and Repair).
2. Install the drive pinion and ring gear. Refer to Drive Pinion and Ring Gear Replacement (8.6 Inch Axle) (Service and Repair)Drive Pinion and Ring Gear Replacement (9.75, 10.5 and 10.75 Inch Axles) (Drive Pinion and Ring Gear Replacement (9.75, 10.5 and 10.75 Inch Axles)).
3. Install the drive pinion shaft yoke and the oil seal. Refer to Drive Pinion Flange/Yoke and/or Oil Seal Replacement (8.6, 9.5 Inch Axles) (Drive Pinion Flange/Yoke and/or Oil Seal Replacement (8.6, 9.5 Inch Axles))Drive Pinion Flange/Yoke and/or Oil Seal Replacement (9.75, 10.5 and 10.75 Inch Axles) (Rear Drive Axle).
4. Install the differential assembly. Refer to Differential Replacement (8.6 Inch Axle) (Differential Replacement (8.6 Inch Axle))Differential Replacement (9.75, 10.5 and 10.75 Inch Axles) (Differential Replacement (9.75, 10.5 and 10.75 Inch Axles)).
5. Adjust the differential carrier bearing preload. Refer to Differential Carrier Bearing Preload Adjustment (8.6 Inch Axle) (Differential Carrier Bearing Preload Adjustment (8.6 Inch Axle))Differential Carrier Bearing Preload Adjustment (9.75, 10.5 and 10.75 Inch Axle) (Differential Carrier Bearing Preload Adjustment (9.75, 10.5 and 10.75 Inch Axle)).
6. Adjust the drive pinion depth adjustment. Refer to Pinion Depth Adjustment (8.6 Inch Axle) (Pinion Depth Adjustment (8.6 Inch Axle))Pinion Depth Adjustment (9.75, 10.5 and 10.75 Inch Axles) (Pinion Depth Adjustment (9.75, 10.5 and 10.75 Inch Axles)).
7. Inspect the gear tooth contact pattern. Refer to Gear Tooth Contact Pattern Inspection (Gear Tooth Contact Pattern Inspection).
8. Install the rear brake shields. Refer to Rear Brake Shield Replacement (Rear Brake Shield Replacement).
9. Install the rear axle shafts. Refer to Rear Axle Shaft Replacement (8.6, 9.5 Inch Axles W/O RPO JL4) (Service and Repair)Rear Axle Shaft Replacement (8.6 Inch Axle W/RPO JL4) (Service and Repair)Rear Axle Shaft Replacement (9.5, 9.75Inch Axles ) (Service and Repair).
10. Install the rear wheel speed sensor. Refer to Rear Wheel Speed Sensor Replacement (10.5 Axle) (Service and Repair).
11. Install the rear axle cover and gasket. Refer to Rear Axle Shaft and/or Gasket Replacement (Rear Axle Shaft and/or Gasket Replacement).
12. Install the rear axle housing cover and gasket. Refer to Rear Axle Housing Cover and Gasket Replacement (8.6, 9.5 Inch Axle) (Rear Axle Housing Cover and Gasket Replacement (8.6, 9.5 Inch Axle))Rear Axle Housing Cover and Gasket Replacement (9.75, 10.5 and 10.75 Inch Axles) (Rear Drive Axle).
13. Install the rear axle assembly. Refer to Rear Axle Replacement (Rear Axle Replacement).
14. Fill the axle with gear lubricant. Refer to Rear Axle Lubricant Replacement (8.6, 9.5 Inch Axle) (Rear Axle Lubricant Replacement (8.6, 9.5 Inch Axle))Rear Axle Lubricant Replacement (9.75, 10.5 and 10.75 Inch Axles) (Rear Drive Axle).
15. Remove the support and lower the vehicle.